Patent US4166057 - Olefin oligomer, dielectric, fireproofing - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsA composition comprising (a) poly-4-methylpentene-1 and (b) an olefin oligomer of the formula (I): ##STR1## wherein R1, R2, R3 and R4, which may be the same or different, each is a hydrogen atom or an alkyl group having up to 18 ca